from unsloth.registry.registry import ModelInfo, ModelMeta, QuantType, _register_models

_IS_QWEN_2_5_REGISTERED = False
_IS_QWEN_2_5_VL_REGISTERED = False
_IS_QWEN_QWQ_REGISTERED = False


class QwenModelInfo(ModelInfo):
    @classmethod
    def construct_model_name(cls, base_name, version, size, quant_type, instruct_tag):
        key = f"{base_name}{version}-{size}B"
        return super().construct_model_name(base_name, version, size, quant_type, instruct_tag, key)


class QwenVLModelInfo(ModelInfo):
    @classmethod
    def construct_model_name(cls, base_name, version, size, quant_type, instruct_tag):
        key = f"{base_name}{version}-VL-{size}B"
        return super().construct_model_name(base_name, version, size, quant_type, instruct_tag, key)


class QwenQwQModelInfo(ModelInfo):
    @classmethod
    def construct_model_name(cls, base_name, version, size, quant_type, instruct_tag):
        key = f"{base_name}-{size}B"
        return super().construct_model_name(base_name, version, size, quant_type, instruct_tag, key)


class QwenQVQPreviewModelInfo(ModelInfo):
    @classmethod
    def construct_model_name(cls, base_name, version, size, quant_type, instruct_tag):
        key = f"{base_name}-{size}B-Preview"
        return super().construct_model_name(base_name, version, size, quant_type, instruct_tag, key)


# Qwen2.5 Model Meta
Qwen_2_5_Meta = ModelMeta(
    org = "Qwen",
    base_name = "Qwen",
    instruct_tags = [None, "Instruct"],
    model_version = "2.5",
    model_sizes = ["3", "7"],
    model_info_cls = QwenModelInfo,
    is_multimodal = False,
    quant_types = [QuantType.NONE, QuantType.BNB, QuantType.UNSLOTH],
)

# Qwen2.5 VL Model Meta
Qwen_2_5_VLMeta = ModelMeta(
    org = "Qwen",
    base_name = "Qwen",
    instruct_tags = ["Instruct"],  # No base, only instruction tuned
    model_version = "2.5",
    model_sizes = ["3", "7", "32", "72"],
    model_info_cls = QwenVLModelInfo,
    is_multimodal = True,
    quant_types = [QuantType.NONE, QuantType.BNB, QuantType.UNSLOTH],
)

# Qwen QwQ Model Meta
QwenQwQMeta = ModelMeta(
    org = "Qwen",
    base_name = "QwQ",
    instruct_tags = [None],
    model_version = "",
    model_sizes = ["32"],
    model_info_cls = QwenQwQModelInfo,
    is_multimodal = False,
    quant_types = [QuantType.NONE, QuantType.BNB, QuantType.UNSLOTH, QuantType.GGUF],
)

# Qwen QVQ Preview Model Meta
QwenQVQPreviewMeta = ModelMeta(
    org = "Qwen",
    base_name = "QVQ",
    instruct_tags = [None],
    model_version = "",
    model_sizes = ["72"],
    model_info_cls = QwenQVQPreviewModelInfo,
    is_multimodal = True,
    quant_types = [QuantType.NONE, QuantType.BNB],
)


def register_qwen_2_5_models(include_original_model: bool = False):
    global _IS_QWEN_2_5_REGISTERED
    if _IS_QWEN_2_5_REGISTERED:
        return
    _register_models(Qwen_2_5_Meta, include_original_model = include_original_model)
    _IS_QWEN_2_5_REGISTERED = True


def register_qwen_2_5_vl_models(include_original_model: bool = False):
    global _IS_QWEN_2_5_VL_REGISTERED
    if _IS_QWEN_2_5_VL_REGISTERED:
        return
    _register_models(Qwen_2_5_VLMeta, include_original_model = include_original_model)
    _IS_QWEN_2_5_VL_REGISTERED = True


def register_qwen_qwq_models(include_original_model: bool = False):
    global _IS_QWEN_QWQ_REGISTERED
    if _IS_QWEN_QWQ_REGISTERED:
        return
    _register_models(QwenQwQMeta, include_original_model = include_original_model)
    _register_models(QwenQVQPreviewMeta, include_original_model = include_original_model)
    _IS_QWEN_QWQ_REGISTERED = True


def register_qwen_models(include_original_model: bool = False):
    register_qwen_2_5_models(include_original_model = include_original_model)
    register_qwen_2_5_vl_models(include_original_model = include_original_model)
    register_qwen_qwq_models(include_original_model = include_original_model)


if __name__ == "__main__":
    from unsloth.registry.registry import MODEL_REGISTRY, _check_model_info

    MODEL_REGISTRY.clear()

    register_qwen_models(include_original_model = True)

    for model_id, model_info in MODEL_REGISTRY.items():
        model_info = _check_model_info(model_id)
        if model_info is None:
            print(f"\u2718 {model_id}")
        else:
            print(f"\u2713 {model_id}")
